Home / 10,318.80-14,243.40-6,734.16

Finding the Fourth Proportional to 10,318.80, 14,243.40 and 6,734.16

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Solution

The fourth proportional to 10,318.80, 14,243.40 and 6,734.16 is: 9,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.80 : 14,243.40 = 6,734.16 : x
  2. Step 2: Convert to fraction form
    10,318.80/14,243.40 = 6,734.16/x
  3. Step 3: Cross multiply
    10,318.80x = 14,243.40 × 6,734.16
  4. Step 4: Simplify right side
    10,318.80x = 95,917,334.54
  5. Step 5: Solve for x
    x = 95,917,334.54/10,318.80
  6. Step 6: Final answer
    x = 9,295.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.